Concrete Foundations Association Click the above image or any below to open a gallery with additional photos of the construction. With its long history of concrete experience, Purinton Builders of Connecticut is not one to shy away from new challenges. Started in 1984, general contractors Dennis Purinton and his son, Michael Purinton, have made a name for themselves through the success of their cast-in-place concrete projects. The company has continually pursued the latest technology in the field, with a desire to create high-quality walls and foundations, as well as environmentally friendly mix designs. Actively involved in the industry, Dennis Purinton has kept his pulse on the latest concrete innovations throughout the years. He’s served as president of the Concrete Foundations Association (CFA) from 2016-2018. He was named Contractor of the Year in 2007 by the National Concrete Foundation Association and was a voting member on American Concrete Institutes’ committees for cold weather concreting and residential concrete.